Endangered and Threatened Wildlife and Plants; Adding Rice's Whale to and Updating Three Humpback Whale Entries on the List of Endangered and Threatened Wildlife

We, the U.S. Fish and Wildlife Service (Service), in accordance with the Endangered Species Act of 1973, as amended (Act), are amending the List of Endangered and Threatened Wildlife (List) by adding Rice's whale (Balaenoptera ricei). We are also updating the entries for the Central America, Mexico, and Western North Pacific distinct population segments (DPSs) of humpback whales (Megaptera novaeangliae) to reflect the designation of critical habitat for these DPSs. These amendments are based on previously published determinations by the National Marine Fisheries Service (NMFS) of the National Oceanic and Atmospheric Administration, Department of Commerce, which has jurisdiction for these species.